16680506753 has 8 divisors (see below), whose sum is σ = 17584942080. Its totient is φ = 15798968640.

The previous prime is 16680506749. The next prime is 16680506813. The reversal of 16680506753 is 35760508661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16680506753 - 2² = 16680506749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16680506698 and 16680506707.

It is not an unprimeable number, because it can be changed into a prime (16680506053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5722808 + ... + 5725721.

It is an arithmetic number, because the mean of its divisors is an integer number (2198117760).

Almost surely, 2^16680506753 is an apocalyptic number.

It is an amenable number.

16680506753 is a deficient number, since it is larger than the sum of its proper divisors (904435327).

16680506753 is a wasteful number, since it uses less digits than its factorization.

16680506753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11448607.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 16680506753 in words is "sixteen billion, six hundred eighty million, five hundred six thousand, seven hundred fifty-three".